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Susan Colbourn is a diplomatic and international historian whose research focuses on transatlantic relations, the Cold War, and the impact of nuclear weapons on international politics and society. Since 2018, she has been a Henry Chauncey Jr. ‘57 postdoctoral fellow at International Security Studies at Yale University.

She is currently finishing a history of NATO and the intermediate-range nuclear force arms race in Europe. Euromissiles: A Transatlantic History explores how successive debates over the Euromissiles, be it those between adversaries, between allies, and between alarmed citizens, tapped into broader anxieties about the existing international order and challenged the very foundations of the transatlantic bargain.

She received her Ph.D. in History from the University of Toronto in 2018. Prior to her doctoral studies, she received an MA in History of International Relations from the London School of Economics and Political Science and an Hon. BA in History and International Relations from Trinity College at the University of Toronto.

Find her at @secolbourn.